Another sharp decline in crude oil pulled the S&P 500 and Dow Jones Industrial Average lower in a mixed start to the new month. Crude breached the $40-level over the session before closing at $40.06, its worst since April. The energy sector was the worst performer on markets. Major oil companies such as Exxon Mobil (XOM - Get Report) , Shell (RDS.A - Get Report) , Chevron (CVX - Get Report) , Total (TOT - Get Report) and BP (BP - Get Report) were all lower.  Etsy (ETSY - Get Report) shares jumped after Citigroup initiated coverage with a BUY rating. Analysts expressed confidence in Etsy's seller services, which charges merchants for additional offerings such as promotion and faster checkout. Etsy is scheduled to report earnings after market close Tuesday.  AMC Entertainment (AMC - Get Report) missed earnings estimates in its recent quarter as a summer slump in box-office revenue took a chunk out of its results. The theater chain reported a 7.1% decline in total attendance.