Bill Ackman says he built Microsoft position in first quarter - CNBC

Bill Ackman says he built Microsoft position in first quarter    CNBC Ackman's Pershing Square takes stake in Microsoft, citing 'compelling' valuation    Reuters Ackman reveals new Microsoft stake, calls valuation ‘highly compelling’ (MSFT:NASDAQ)    Seeking Alpha Ackman Says Pershing Square Has Taken New Stake in Microsoft    WSJ Pershing Square Has Taken New Stake in Microsoft, Ackman Says    Bloomberg.com

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