By , , ZURICH (Reuters) - Credit Suisse may have to book a charge over its dealings with Greensill, it warned on Tuesday, as investor scrutiny grows over its relationship with the British supply-chain finance company that collapsed into insolvency.The Swiss bank has had to close around $10 billion of supply-chain finance funds that bought notes issued by Greensill, and which it marketed to clients. It is also trying to recoup a $140 million loan it made to the company last year.“While these issues are still at an early stage, we would note that it is possible that Credit Suisse will incur a...…By , , ZURICH (Reuters) - Credit Suisse may have to book a charge over its dealings with Greensill, it warned on Tuesday, as investor scrutiny grows over its relationship with the British supply-chain finance company that collapsed into insolvency.The Swiss bank has had to close around $10 billion of supply-chain finance funds that bought notes issued by Greensill, and which it marketed to clients. It is also trying to recoup a $140 million loan it made to the company last year.“While these issues are still at an early stage, we would note that it is possible that Credit Suisse will incur a...WW…