To identify and ride a dominant theme is the best way to generate above average returns for at least a 10-yr home run. In the mid 1980s we had the likes of Walmart, Microsoft and Intel all 1000% winners. In the mid 1990s the financial and energy stocks began to run and in 2003 the commodity sector took off.
Not all dominant themes pan out such as infrastructure and alternate energy
A new dominant theme is now just getting underway an echo or global technology boom. The first tech boom ran from 1985 to the bust of 2000 and was confined to the English speaking counties. The new global tech boom will be enjoyed by the survivors of the first tech boom and bust.
Technically after a bubble a long congestive secular period will follow in order to repair the damage. Usually there are three bull and bear cycles that span a total of about 12+ years much like the 1968 1980 secular down period. The fourth cycle is usually the breakout cycle. Watch for Cisco Systems to finally break out and up from here note the new 4th cycle