The "Fast Money" traders looked in the energy sector as oil rallied on the back of a OPEC production limit agreement on Wednesday.
OPEC agrees to cut oil production at Algiers meeting.
Oil prices pared gains as optimism over an OPEC plan to limit output was offset by questions over its ability to rebalance the market.
Oil prices were flat in Asian trade after a surprise OPEC deal to limit output, as skepticism mounted over enforcement of the deal.
OPEC members meeting in Algiers agreed to cut oil production to between 32.5 and 33 million barrels a day, a reduction of around 700,000 barrels.
Oil prices will slide back down to $45 a barrel levels if OPEC does not ratify its production cut deal in November, says Credit Suisse's David Hewitt.
The energy sector is attractive for long-term investors now as oil prices are expected to rise steadily over the long-run, says Poten & Partners' Jason Feer.
Morgan Stanley IM's Ruchir Sharma says with China's economy expected to slow further, its declining demand will weigh on oil prices.
If OPEC manages to ratify the production cut deal, it will add credence to the organization, says Ayer Alliance Securities' Jonathan Barratt.
Oil prices won't shift much from its current range of $40 to $50 a barrel if demand does not pick up, says MV Financial's Arian Vojdani.
The OPEC deal to cut oil production may provide a short-term price support, but it won't change the supply outlook much, Goldman Sachs said.
It is questionable whether the deal will hold because the various OPEC members are in different circumstances, says Intelligent Investor's Gaurav Sodhi.
OPEC is an organization in name only and its members are political entities who are motivated by political factors, says Wells Fargo Funds' Brian Jacobsen.
There are still questions about the OPEC deal, such as how countries who want to raise output will be dealt with, says Platts Analytics' Jenna Delaney.
Ed Morse, Citi global head of commodities research & managing director, shares his take on OPEC's reported agreement to limit production in November and what effect it has on the oil market.
CNBC's Jackie DeAngelis discusses the day's activity in the commodities markets.
CNBC's Bob Pisani looks at the day's market action, including the news that OPEC has reportedly agreed to limit production in November and what effect it has on the oil market.
Discussing the current state of the markets with Keith Fitz-Gerald, MoneyMorning.com; Steve Grasso, Stuart Frankel; and CNBC's Rick Santelli.
Todd Gordon, TradingAnalysis.com, and Boris Schlossberg, BK Asset Management, discuss the OPEC headlines' impact on the energy sector with Brian Sullivan. CNBC's Jackie DeAngelis weighs in.
Oil prices rose as much as 6 percent on Wednesday on a report OPEC members have reached a deal to limit crude supply.
Get the best of CNBC in your inbox