- Asian shares ended lower on Monday after UBS struck a deal to acquire Credit Suisse.
- ING economists said a relief rally is possible after Switzerland moved to contain the banking crisis.
- Investors are still looking to the Fed's interest-rate decision this week for further cues.
Asian shares are down on Monday after Switzerland's UBS struck a deal to take over peer Credit Suisse. The deal values Credit Suisse at around $3.25 billion.