Brent crude declined to $67.53 a barrel on Monday, its lowest price since October 2009, according to BBC News. U.S. crude dropped 50 cents to $65.65 a barrel and hit an intraday low of $63.72, the lowest price since July 2009.
Brent crude rallied 2.08% to $71.61 in early afternoon trading.
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OPEC decided last week not to cut oil production and to keep its target at 30 million barrels per day, a move that could leave the market oversupplied. The announcement sent oil prices spiraling downward, a trend that continued into Monday.
More than 14.6 million shares had changed hands as of noon, compared to the daily average volume of 11,254,800.
Separately, TheStreet Ratings team rates TRANSOCEAN LTD as a "sell" with a ratings score of D+. TheStreet Ratings Team has this to say about their recommendation:
"We rate TRANSOCEAN LTD (RIG) a SELL. This is driven by a number of negative factors, which we believe should have a greater impact than any strengths, and could make it more difficult for investors to achieve positive results compared to most of the stocks we cover. The company's weaknesses can be seen in multiple areas, such as its deteriorating net income, disappointing return on equity and generally disappointing historical performance in the stock itself."