best mega stock with date in 2009

Citigroup (C) had the best day in 2009 by a mega-cap US stock on February 6, 2009, returning 23%.

ASSETDATE% RETURN
Citigroup (C)
2/6/2009
22.96%
Bank of America (BAC)
4/21/2009
21.5%
Morgan Stanley (MS)
1/21/2009
21.03%
Wells Fargo (WFC)
3/12/2009
20.88%
Bank of America (BAC)
3/18/2009
20.6%
Bank of America (BAC)
1/21/2009
20.58%
Citigroup (C)
4/13/2009
20.25%
Citigroup (C)
4/21/2009
20%
Wells Fargo (WFC)
3/18/2009
19.58%
Bank of America (BAC)
3/12/2009
18.9%
Citigroup (C)
3/16/2009
18.88%
Wells Fargo (WFC)
5/4/2009
18.64%
Berkshire Hathaway (BRK.B)
3/10/2009
18.49%
Citigroup (C)
3/18/2009
18.46%
Citigroup (C)
1/21/2009
17.63%
Bank of America (BAC)
2/24/2009
17.37%
JPMorgan Chase (JPM)
1/21/2009
17.31%
Wells Fargo (WFC)
5/8/2009
17.27%
Bank of America (BAC)
4/13/2009
17.23%
Bank of America (BAC)
4/9/2009
17.18%
Morgan Stanley (MS)
3/10/2009
17.08%
Citigroup (C)
3/10/2009
16.94%
Bank of America (BAC)
5/4/2009
16.76%
Bank of America (BAC)
3/9/2009
16.46%
Bank of America (BAC)
1/23/2009
16.2%
Mega-cap stocks are treated as having a market cap of $200B+.