Volume Spike Investor

BPZ Resources Inc. (NYSE: BPZ) share rose more than 7 percent, above $4.90 in after-hours trading, after the oil and gas exploration and production company announced a $70 million revolving credit line. It is expected to be used to meet capital expenditure requirements for development projects in Peru. — Mike Tarsala

XenoPort Inc. shares (Nasdaq: XNPT) shares will be ones to watch for an early Wednesday volume spike. The company’s shares fell about 10 percent to about $19.50 after hours, after the company announced plans to sell 2.5 million shares, boosting its shares outstanding by about 9 percent. One anecdotal market observation is that the market [...]

Arena Pharmaceuticals (ARNA) shares fell 8 percent after hours on Tuesday, and are ones to watch for a volume spike early Wednesday. The company was supposed to have eased all cash concerns in June after it reached a $100 million funding agreement, but that hasn’t stopped the company from raising an additional $50 million, as [...]

Amgen Inc. (Nasdaq: AMGN) shares are up about 13 percent to around $59 on volume of 16,000 shares in very early premarket trading on Wednesday. After the close, the company announced positive Phase III trial results of its osteoporosis drug Denosumab. The clinical results were strong enough to possibly make the drug the standard of [...]