France Does It And Bans Short Selling of Banks; How Well Did That Work?

Now they have done it. AFter denying it, they banned short selling of certain beaten up banks. How well did that work in the U.S.?
 
"The Chairman of the Autorité des marchés financiers (AMF), acting in accordance with Article L. 421-16 II of the Monetary and Financial Code, has decided to place a ban on creating any net short position or increasing any existing net short position, including intraday, by any person established or residing in France or in another country, in the equity shares or securities giving access to the capital of the following credit institutions and insurance companies:

• April Group
• Axa
• BNP Paribas
• CIC
• CNP Assurances
• Crédit Agricole
• Euler Hermès
• Natixis
• Paris Ré
• Scor
• Société Générale

This decision shall enter into force as soon as it is published on this AMF website as from 22.45 today and shall remain in effect for a period of fifteen days. It may be extended beyond that date pursuant to the conditions provided in the aforementioned Article L. 421-16 II".

Note that: " This decision does not apply to financial intermediaries acting as market makers or liquidity providers when they are operating under a contract with the relevant market undertaking or with the issuer concerned, or when acting as counterparty for block trades in equities".