Disclaimer, TEVA is in a very bad financial position, with dwindling cashflows and large debt. Buffet has always been the king of "value investing", hence why a position in Teva isn't surprising from him - it's most likely that he sees the company as severely undervalued and is entering into stages of repair.

Buffet's new position in Teva was widely publicised this week:

fortune.com/2018/02/15/warren-buffett-teva-berkshire-hathaway/
markets.businessinsider.com/news/stocks/teva-pharmaceuticals-stock-price-soars-after-warren-buffetts-berkshire-hathaway-discloses-stake-2018-2-1015927984
finance.yahoo.com/news/why-world-does-warren-buffett-110400683.html


Just after Buffet disclosed the position, Teva announced the U.S. release of the QVAR Redihaler Inhalation Aerosol.

streetinsider.com/Corporate+News/Teva+Pharma+(TEVA)+Announces+U.S.+Launch+of+QVAR+RediHaler+Inhalation+Aerosol/13831565.html

-new form of asthma inhalation treatment
-breath actuated

I don't think this is too important. I'd much rather to follow his other position into AAPL rather than TEVA
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