Short seller David Rocker has contended that failure to deliver securities "can be done for manipulative purposes to create the impression that the stock is a tight borrow." In such a situation, the failure to deliver would be on the part of "longs," not "shorts."{{cite web
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Short seller David Rocker has contended that failure to deliver securities "can be done for manipulative purposes to create the impression that the stock is a tight borrow." In such a situation, the failure to deliver would be on the part of "longs," not "shorts."<ref>{{cite web