QXO (QXO) had the highest return in April 2012 by a US stock with a market cap of $10B+, returning 204,260.2%.

ASSET	MONTH	% RETURN
QXO (QXO)	April 2012	204,260.23%
Logitech International (LOGI)	April 2012	31.14%
Expedia (EXPE)	April 2012	28.27%
Cheniere Energy Partners (CQP)	April 2012	25.14%
Cheniere Energy (LNG)	April 2012	23.38%
Texas Pacific Land Trust (TPL)	April 2012	19.65%
Agnico Eagle Mines (AEM)	April 2012	19.59%
Flutter Entertainment (FLUT)	April 2012	18.73%
Telkom Indonesia (Persero) Tbk PT ADR Rep 100 B (TLK)	April 2012	18.68%
CNH Industrial (CNH)	April 2012	18.56%
Incyte (INCY)	April 2012	17.47%
Amazon (AMZN)	April 2012	17.11%
O’Reilly Automotive (ORLY)	April 2012	15.7%
Regeneron Pharmaceuticals (REGN)	April 2012	15.15%
Seagate Technology (STX)	April 2012	14.86%
Edwards Lifesciences (EW)	April 2012	14%
Brown & Brown (BRO)	April 2012	13.85%
Contura Energy (CTRA)	April 2012	12.95%
PulteGroup (PHM)	April 2012	12.58%
Ecopetrol SA ADR (EC)	April 2012	12.53%
Sherwin-Williams (SHW)	April 2012	11.94%
eBay (EBAY)	April 2012	11.83%
Norfolk Southern (NSC)	April 2012	11.07%
Delta Air Lines (DAL)	April 2012	10.93%
Carlisle Companies (CSL)	April 2012	10.47%