4:41 PM · 7 June 2021

Biogen trading paused after company received approval for its Alzheimer's drug

Biogen (BIIB.US) stock has been halted after the FDA has approved its controversial Alzheimer drug Aducanumab using an accelerated approval pathway. It is the first Alzheimer's treatment approved in 18 years, according to CNBC. Biogen still needs to conduct a postapproval clinical trial and FDA pointed out that the approval may be withdrawn upon unfavorable results.

Biogen (BIIB.US) stock was halted for trading at $286.10 and awaits reopening. Source: xStation5

15 September 2026, 5:19 PM

Meta Wants Users to Pay for AI. A New Subscription Is Launching

15 September 2026, 2:48 PM

US Open: 10-Year Treasury Yield Breaks Above 5% as Wall Street Comes Under Pressure Ahead of Fed Decision

15 September 2026, 7:12 AM

Morning Wrap: Brent at $107, AI sell-off (15.09.2026)

14 September 2026, 5:10 PM

Michael Burry’s portfolio: Revolution or rebalance?

Stocks

Prefer XTB on Google

The financial instruments we offer, especially CFDs, can be highly risky. Fractional Shares (FS) is an acquired from XTB fiduciary right to fractional parts of stocks and ETFs. FS are not a separate financial instrument. The limited corporate rights are associated with FS.
This page was not created for investors residing in Brazil. This brokerage is not authorized by the Comissão de Valores Mobiliários (CVM) or the Brazilian Central Bank (BCB). The content of this page should not be characterized as an investment offer in Brazil or for investors residing in that country.

Losses can exceed deposits

This group contains cookies that are necessary for our websites to work. They take part in functionalities like language preferences, traffic distribution or keeping user session. They cannot be disabled.

Cookie name	Description
SERVERID
userBranchSymbol	Expiration date 1 day
test_cookie	Expiration date 1 hour
adobe_unique_id	Expiration date 364 days
__hssc	Expiration date 1 hour
SESSID	Expiration date 1 day
__cf_bm	Expiration date 1 hour
intercom-id-iojaybix	Expiration date 270 days
intercom-session-iojaybix	Expiration date 6 days
xtbCookiesSettings	Expiration date 364 days
TS5b68a4e1027
countryIsoCode
xtbLanguageSettings	Expiration date 364 days
userPreviousBranchSymbol	Expiration date 364 days
intercom-device-id-iojaybix	Expiration date 270 days
__cfruid
_cfuvid

We use tools that let us analyze the usage of our page. Such data lets us improve the user experience of our web service.

Cookie name	Description
_gid	Expiration date 1 day
_gat_UA-98728395-1	Expiration date 1 hour
_gat_UA-121192761-1	Expiration date 1 hour
_gcl_au	Expiration date 89 days
_ga_CBPL72L2EC	Expiration date 729 days
_ga	Expiration date 729 days
__hstc	Expiration date 179 days
__hssrc
_vwo_uuid_v2	Expiration date 365 days
_ga_TC79BEJ20L	Expiration date 729 days
_vwo_uuid	Expiration date 365 days
_vwo_ds	Expiration date 29 days
_vwo_sn	Expiration date 1 hour
_vis_opt_s	Expiration date 99 days
_vis_opt_test_cookie
af_id	Expiration date 394 days
afUserId	Expiration date 730 days
AF_SYNC	Expiration date 6 days
AnalyticsSyncHistory	Expiration date 29 days

This group of cookies is used to show you ads of topics that you are interested in. It also lets us monitor our marketing activities, it helps to measure the performance of our ads.

Cookie name	Description
MUID	Expiration date 389 days
_omappvp	Expiration date 3998 days
_omappvs	Expiration date 1 hour
_uetsid	Expiration date 1 day
_uetvid	Expiration date 389 days
_fbp	Expiration date 89 days
fr	Expiration date 89 days
_ttp	Expiration date 89 days
_tt_enable_cookie	Expiration date 89 days
hubspotutk	Expiration date 179 days
IDE	Expiration date 389 days
YSC
VISITOR_INFO1_LIVE	Expiration date 179 days
li_sugr	Expiration date 89 days
guest_id_marketing	Expiration date 729 days
guest_id_ads	Expiration date 729 days
guest_id	Expiration date 729 days
muc_ads	Expiration date 729 days
VISITOR_PRIVACY_METADATA	Expiration date 179 days
MSPTC	Expiration date 389 days

Cookies from this group store your preferences you gave while using the site, so that they will already be here when you visit the page after some time.

Cookie name	Description
bcookie	Expiration date 364 days
lidc	Expiration date 1 day
UserMatchHistory	Expiration date 29 days
bscookie	Expiration date 364 days
li_gc	Expiration date 179 days
personalization_id	Expiration date 729 days