Natalie Weger / Wall Street Journal:eBay reports Q2 revenue up 6% YoY to $2.73B, vs. $2.64B est., gross merchandise volume up 6% to $19.5B, net income up 64% to $368M; EBAY jumps 10%+ after hours — Adjusted earnings per share of $1.37 were ahead of analysts' estimates of $1.30 — EBay logged higher profit and revenue …