There is huge call June 57.5 options buying in Citibank (C) and ADP calls 50 also very active. Check out. Profitable trading, OptionPundit
intraday trading, unusal option activity

So here it goes, the JDSU is down by 10% in the pre-market. I mentioned about JDSU yesterday (click here) and highlighted that there was huge transaction volume in May 17 calls and anticipated that it might be annoucing something positive after market closes.
I was onboard, and solely based on Unusal options, I bot May [...]

As I mentioned earlier via e-mail alert to registered users, JDSU May 17 calls are quite active today. App 4000 calls have been traded vs 4548 OI. This is not a recommendation to buy or sell, just an observation that I thought might be worth sharing. Also attached is the chart, check out, the volume traded [...]