The Italian bank has offered $75 a share for 51 percent of Irving's stock, or about $707 million.
Now, in many buildings, such units are being offered for only 20 percent of vacant value, and in some for even less.
Initially, it planned to offer 10 million shares at $9 to $11 for about 16 percent of the company.
Daisy initially offered $8 a share for 51 percent of Cadnetix, which it later raised to $8.375.
The Italian bank has offered $75 in cash for 51 percent of Irving's stock.
The company is offering $84 in cash for 50.1 percent of Pennzoil's shares.
It will offer $62 a share for 90 percent of Telex's stock.
Amazon and Borders both offered the Turow for 30 percent off the list price.
It said it was offering $94 in cash for 78 percent of the stock.
The Italian bank has offered $775 million in cash for 51 percent of Irving's shares.