Corning (GLW) adds 9 cents to $16.90 and the Feb 15 – 19 strangle is bought at $1.82, 3600X on AMEX. Looks like an opening volatility play on the glass maker. Meanwhile, other investors are focused on the Sep 17 puts, with 8,550 traded vs. 5,823 in open interest. The top trade is 2937 at 52 cents on ISE, when bid-ask was 51 to 53 cents. It’s not clear if it was buyer or seller initiated, but implied volatility is up 5 percent to 35.