UBS's emergency takeover of Credit Suisse may lead to thousands of job losses, departures of key staff and a risky integration challenge, but for many UBS investors it increasingly looks like a good deal for Switzerland's biggest bank. Since UBS bought Credit Suisse in a 3 billion Swiss franc ($3.4 billion) deal completed last month, investors have come to share the optimism of UBS Chairman Colm Kelleher, who has highlighted the many opportunities as well as potential pitfalls arising from the takeover. Several fund managers who hold UBS stock have told Reuters they think UBS has b...