COLUMN- Shanghai bears send tin tumbling to three-year lows: Andy Home <!-- no image --> <div>The tin market was last week rudely awakened from its previous range-trading slumber.<div class="feedflare"> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=zCb9t5kmJvE:CxyH2dIN2E4:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?d=yIl2AUoC8zA" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=zCb9t5kmJvE:CxyH2dIN2E4:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=zCb9t5kmJvE:CxyH2dIN2E4:V_sGLiPBpWU" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=zCb9t5kmJvE:CxyH2dIN2E4:F7zBnMyn0Lo"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=zCb9t5kmJvE:CxyH2dIN2E4:F7zBnMyn0Lo" border="0"></a> </div><img src="http://feeds.feedburner.com/~r/reuters/UKBankingFinancial/~4/zCb9t5kmJvE" height="1" width="1" alt=""></div> Posted by Reuters