The major indexes stayed near Friday's best levels, holding gains of 1% or more. The Nasdaq vaulted 1.2% to its best level since September. The Dow Jones industrial average and the S&P 500 each climbed 1%. Both hit fresh five-year highs. The Dow topped the 14,000 milestone for the first time since October 2007. Volume was tracking sharply higher on the NYSE and lower on the Nasdaq. CommVault Systems (CVLT) rose 3% to an all-time high in fast