Weyerhaeuser (WY, news, chart) is seeing bullish order flow. The stock is up $1.77 to $52.52 amid general strength in the forest and paper products sector. The group got a lift early after International Paper (IP) reported second quarter earnings of 56 cents a share, which was 17 cents better than analyst estimates. IP is up $2.87 to $28.19 and not far from session highs ($28.30). Bullish sentiment seems to have infected WY as well. The stock is up $1.83 to $52.58 and volume in the options market is running three times the usual. Calls are dominating trading, with 7,600 contracts traded, compared to 2,000 puts. The September 55 and 60 calls have seen a flurry of activity in recent trade, as some players seem to be taking bullish trades on WY heading into an earnings report due out Tuesday before the opening bell.