These sectors are the biggest winners in the October rally

Markets have rebounded sharply since touching correction territory on October 15, with two S&P sectors posting double-digit gains since.

S&P Sectors
Price
Intraday Low on 10/15
% Chg. Since 10/15
Health Care 782.54 700.15 11.77%
Industrials 475.56 431.87 10.12%
Information Technology 668.81 616.46 8.49%
Consumer Discretionary 540 500.86 7.81%
Financials 320.45 296.79 7.97%
Utilities 230.04 217.23 5.90%
Energy 632.5 591.42 6.95%
Consumer Staples 480.37 458.18 4.84%
Materials 301.93 286.86 5.26%

Almost all of the major indexes are also up double digits, with the Dow transports leading the gains.

Major Indices
Price
Intraday Low on 10/15
% Chg. Since 10/15
S&P 500 2,014.08 1,820.66 10.62%
DJ Industrial Average 17,364.73 15,855.12 9.52%
NASDAQ Composite 4,629.02 4,116.60 12.45%
NASDAQ-100 4,155.56 3,700.23 12.31%
S&P Mid Cap 400 1,414.33 1,269.45 11.41%
Russell 2000 1,172.04 1,040.47 12.64%

Month-to-date performance

For the first time since March 2009, the Dow, the S&P 500 and the Nasdaq are set to log monthly gains after falling more than 7 percent earlier in the month.

Major Indices
Current
At low
S&P 500 2.20% -7.70%
Nasdaq 3% -8.40%
Dow 2% -7%

-- Analysis by CNBC's Giovanny Moreano