best performing sandp 500 stock in dec 2012

Western Digital (WDC) had the highest return in December 2012 by a US stock in the S&P 500 (GSPC), returning 27.3%.

ASSETMONTH% RETURN
Western Digital (WDC)
December 2012
27.33%
Seagate Technology (STX)
December 2012
21.59%
Delta Air Lines (DAL)
December 2012
18.82%
Bank of America (BAC)
December 2012
17.04%
United Airlines (UAL)
December 2012
16.15%
LyondellBasell Industries (LYB)
December 2012
14.43%
MGM Resorts International (MGM)
December 2012
14.34%
First Solar (FSLR)
December 2012
13.31%
Citigroup (C)
December 2012
13.16%
Netflix (NFLX)
December 2012
13.12%
Fastenal (FAST)
December 2012
12.48%
Morgan Stanley (MS)
December 2012
12.4%
Chipotle Mexican Grill (CMG)
December 2012
12.23%
Ford Motor (F)
December 2012
12.03%
Aptiv (APTV)
December 2012
11.71%
VeriSign (VRSN)
December 2012
11.68%
Comfort Systems USA (FIX)
December 2012
11.46%
Akamai Technologies (AKAM)
December 2012
11.38%
General Motors (GM)
December 2012
10.63%
CRH PLC ADR (CRH)
December 2012
10.54%
KKR (KKR)
December 2012
10.28%
PTC (PTC)
December 2012
10.24%
Cummins (CMI)
December 2012
9.6%
Apollo Global Management LLC Class A (APO)
December 2012
9.53%
Charles Schwab (SCHW)
December 2012
9.45%