Swiss stocks - Factors to watch on Sept 10

ZURICH, Sept 10 (Reuters) - The following are some of the main factors expected to affect Swiss stocks on Thursday:

PETROPLUS PPHN.VX

Petroplus priced $400 million in high yield notes, part of its $825 million issuance plan to boost its balance sheet and pave the way for possible acquisitions. The new high yield notes due 2019 are priced to yield 9.625 percent to maturity, and will carry a coupon of 9.375 percent per annum, payable semi-annually in arrears beginning March 15, 2010, the group said.

The Swiss-based refining group said the initial conversion price on a $150 million bond, which has a coupon of 4 percent per annum, was 33.17 francs, a premium of 35 percent over its reference price.

For related news click on [PPHN.S]

UBS (UBSN.VX)

A Connecticut court ordered UBS to pledge assets or post a $35 million bond after finding "probable cause" that the bank committed securities fraud in a deal with Pursuit Partners, the hedge fund's lawyers said on Wednesday.

For related news click on [UBSN.VX]

ARPIDA ARPN.S

Swiss biotechs Arpida and Evolva said they are going to merge, with Arpida shareholders to receive one third of the shares in the combined company and Evolva shareholders the remaining two thirds. Arpida will take a decision on its antibiotic iclaprim after the recommendation of the European CHMP but prior to the intended merger.

For related news click on [ARPN.S]

ECONOMY [M-CH]

COMPANY STATEMENTS [CNR-CH]

EQUITY RESEARCH [CH-RCH]

FOR COMPANIES TRADING EX-DIVIDEND, PLEASE CLICK ON:

.EX.S for all Swiss stocks

.EXSMI.S for blue chips

.EXNSMI.S for other stocks