from Cramer...yes Cramer rung a bell with something I had heard and he reiterated it with some picks.....China has banned signle hull tankers and going forward only double hull tankers will be allowed in there waters....Cramer ment. this on his show and gave the following picks...nat and dsx....I liked the break on dsx chart and am looking to play on the retest of the break mid 15.....according to Cramer dsx[Diana shipping] only has double hull ships...decent story....here's a related article mentions upgrades on tankers..

http://www.reuters.com/article/marketsNews/idAFBNG9321320091113?rpc=44