The headlines of the newspapers and magazines following the 1987 Crash were dramatic. But even more dramatic was the difference from just a couple of months earlier. The market peaked on August 25th in 1987. This new all time high in the Dow was not even worthy of a mention on page one of the Wall Street Journal. The actual story of the new all time high was buried on page 41.
Any news is good news.
It's pretty much taken for granted now that the market is going to go up. This technique is often employed to purchase additional shares of stock. This works well enough as long as stocks keep going higher. However this is a double edged sword. Buying stocks on margin and margin calls are often cited as major causes of the 1929 Crash.