European stocks also appear dangerous because the rise in the euro against the dollar will probably hurt Europe's economy.
The rise in interest rates yesterday hurt banking companies.
They added that the dollar's recent rise could hurt exports by making them more expensive.
The other is that the rise in oil prices caused by the Middle East conflict, if sustained, will hurt the economy.
The proposed rise in cigarette excise taxes, which was less than the industry expected, could hurt tobacco sales over the next few years.
So far, though, the unexpected rise of the dollar has hurt investors who bet it would fall for the third consecutive year.
The rise of the independent stations is also hurting the networks.
Also, the rise of the iTunes store in 2003 didn't hurt either.
Legislators said a rise in the cost of those popular and often hard-to-find luxuries would hurt too many people.
A rise in income taxes scheduled for this year will also hurt spending.