Stocks were on track for their fifth straight week of gains as crude oil climbed to its best level of the year on hopes of a production freeze.
U.S. stocks turned mixed by the middle of the session on Monday, but higher crude prices lifted the energy sector.
U.S. stocks were little moved in midday trading Monday as investors digested the Syriza victory in Greece over the weekend.
Stocks tumbled yet again in midday trading Tuesday as crude oil prices continue to slip. The blue chips were down more than 100 points.
Major indexes in the U.S. moved into record territory in midday trading on this last Friday of the year.
Stocks fell in midday trading Monday but some stocks are making big moves to the upside including CSX (CSX).
Stocks faltered in Friday's midday trading. The Dow Industrials is wavering on the flat line while the Nasdaq is decisively lower.
Stocks were off their lows in midday trading on Monday after the Dow Jones Industrial opened down triple digits.
The Nasdaq turned lowered as the other major markets continue to move higher boosted by the excitement over Alibaba's debut at the New York Stock Exchange.
U.S. markets moved lower on Monday after the excitement from two big merger announcements faded and weak economic data took center stage.