StockData.org - Arbitrage Opportunities

I’ve updated some existing positions since I last added info to this blog, so here’s a recap:
JAVA:
Deal to be bought by Oracle instead of IBM.  (Approved by shareholders on July 16, 2009). New offer price: $9.50/sh cash.  Not sure on deal close date, so I will assume 12/31/2009.  My entry was $8.20.  I decide to [...]

Exar Corp (EXAR) said it will aquire Hifn Inc (HIFN).  In the deal, I would get either:

$4/sh ..OR..
0.3529 sh of EXAR stock and $1.60 cash

At current HIFN price of $3.87, the cash deal still looks in the money for an arbitrage (roughly 3% ROI).  Mgmt says (via press release) the deal should close in [...]