US STOCKS-Futures point to flat open, crude oil falls
* Crude oil slumps, but above $50 per barrel
* Priceline shares rally in premarket after results
* Jobless claims fall in latest week
* Dow down 20 pts, S&P down 2.75 pts, Nasdaq up 5.5 pts (Adds data, Wal-Mart results)
By Ryan Vlastelica
NEW YORK, Feb 19 (Reuters) - U.S. stock index futures pointed to a flat open on Wall Street Thursday, with major indexes near record levels, as investors continued to digest ongoing uncertainty over Greece.
Energy shares looked to be in focus with crude oil down 4.2 percent at $49.94 per barrel, as another big weekly build in U.S. crude inventories and possible rise in Saudi output fueled concerns about oversupply. Exxon Mobil fell 1.2 percent to $89.95 in premarket trading while Halliburton Co was off 2.2 percent to $43.43 and ConocoPhillips fell 2.2 percent to $66.25.
The commodity has rebounded 15 percent from a recent bottom hit in late January but is still down more than 50 percent from a June peak.
While the decline in energy prices is expected to spur consumer spending, it has severely hurt oil companies, with many cutting spending plans for 2015 in a bearish sign for economic growth prospects. Late Wednesday, Marathon Oil said it would cut its 2015 capital budget by 20 percent, the second cut of that magnitude since December. Continuación...