V - Hot Stocks: Oil shares rise; SQ PYPL drop on TWTR Bitcoin worries; FDX low; AMPY oil spill; XENE data

Even on a down day for the major averages, credit card and payment processing stocks represented standout losers in Monday's session. Signs that Twitter (NYSE:TWTR) is leaning more heavily on Bitcoin (BTC-USD) weighed on stocks like Mastercard (NYSE:MA), Visa (NYSE:V), Square (NYSE:SQ) and PayPal (NASDAQ:PYPL). FedEx (NYSE:FDX) epitomized the pessimistic mood of Monday's trading. The package delivery giant added to its recent weakness to set a new 52-week low. Meanwhile, shares of Amplify Energy (NYSE:AMPY) lost nearly half their value on news of an oil spill in California. Energy stocks bucked Monday's overall downward trend. A rally in oil prices drove several big names in the sector to new 52-week highs. ConocoPhillips (NYSE:COP), Marathon Oil (NYSE:MRO), Devon Energy Corp. (NYSE:DVN) and Murphy Oil (NYSE:MUR) all set fresh peaks. Among individual bright spots, Xenon Pharmaceuticals (NASDAQ:XENE) more than doubled during the session, boosted by the release of data for an experimental

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Hot Stocks: Oil shares rise; SQ, PYPL drop on TWTR Bitcoin worries; FDX low; AMPY oil spill; XENE data