Alaska Airlines will increase the number of...

Alaska Airlines will increase the number of its flights between Southern California and the Bay Area from six to 23 on Oct. 1 . . . Singer Co. announced that it has moved its principal executive offices to Montvale, N.J., from Stamford, Conn. . . . The Investment Company Institute reported that the assets of the nation’s 393 money-market mutual funds rose $1.86 billion in the week ended Aug. 19 . . . Several firms led by Gabelli Group said they dropped a $238-million takeover bid for Di Giorgio Corp., a San Francisco-based food packer and distributor . . . Coca-Cola Co. may buy a minority share in Viacom Inc. . . . The Chicago Board of Trade will launch day and evening trading in new gold and silver contracts on Sept. 13.