The stock had peaked at $294 after the buyout was announced.
The company has not turned an annual profit since 2000, the year its stock peaked at $30.69.
When that stock peaked in late 1999, the company had a market value of $616 billion.
The stock peaked last Thursday at $41.875, and since then has come back to $27, including a fall of $1.75 yesterday.
The company's stock peaked in December 1999, when its shares reached $79.
The company's earnings soared, and its stock peaked at more than $90 a share in early 2000.
But this year, the stock peaked at $75 in April and then fell.
Earlier, the stock peaked at $61.875 - briefly a 50 percent gain in two days.
While some industry analysts say the stock is peaking, others still see more upside.
Investors sent the shares down $5.50, to $25.9375 - less than half the $60 the stock peaked at on May 4.
