The share purchase is to be completed by March 8.
It plans to increase share purchases to $6 billion in the second quarter.
With the new authorization, there now is a total of about $257 million approved for share purchases.
Long lines of investors form outside banks to register share purchases.
France is the first European country to impose a transaction tax on share purchases.
For the index to prosper in the long run, more foreign investors need to make significant share purchases.
Dow will own about two-thirds of the company when the current deal is completed and could raise that to 80 percent through share purchases.
Under the plan shareholders would receive one common share purchase right for each share they own.
Brokerage and other fees make the direct purchase of shares worth less than 2,000 expensive.
"You think Stovall will attempt to block your purchase of shares?"