CNBC | Europe slides 2.5% as oil prices slip; earnings weigh CNBC Aside from oil, a slew of earnings reports kept investors on edge. Shares of Scottish oil services and engineering firm Weir Group were down as much as 4.2 percent before paring some losses, after the group posted a 46 percent fall in full-year pretax ... Relief rally stalls as oil prices tumble, Dow falls more than 200 Oil dives near $30, spooking markets (again) Wall St. Sinks as Weak Oil Prices Depress Energy Sector |