This article was originally published on Thursday, October 11. It has been updated to reflect the latest values.
Ahead of the presidential election, CNBC created two indexes featuring companies that could be viewed as winners or losers, depending on the outcome of the race.
The lists have been compiled from various sources, who have researched the potential for reaction in the below stocks and sectors. However, CNBC is not proposing these portfolios as investment vehicles, and does not believe that the current U.S. presidential race is the only factor affecting the stock prices of the companies in our indexes.
CNBC's Romney Index has gained positive momentum since the first presidential debate on October 3, up about a percent.
- CNBC's Obama Index is up 20 percent year-to-date, but since the first debate (from close on Wednesday, 10/3), the portfolio is nearly flat, up 0.2 percent.
- CNBC's Romney Index is up 2 percent year-to-date, and since the first debate, the index has gained 1.25 percent.
- Winners/losers in the CNBC Obama Index: nine stocks are negative out of 15 in the index. The biggest laggard is Vanguard Health, down 16 percent since Oct. 3.
- Winners/losers in the CNBC Romney Index: 12 stocks are positive out of 20 in the index, with James River Coal up the most, with a gain of 77 percent.
**Tenet Healthcare had a 1-for-4 reverse split effective as of the open Thursday morning. The index has been adjusted to reflect this change.
Sources: The above lists were compiled from information contained in the candidates' comments on various industries, Wells Fargo Securities' research, Zacks, Jim Cramer, and others.