The halving will spur a lot of buzz
Why ?
Markets love dates and events they can speculate onwards to. The halving is an perfect event to start a hype cause its a.) very easy to understand for everybody and it has b.) an obv bullish undertone as supply gets smaller. This will definitely get picked up by the mainstream media in spring 2016. CNBC and others love such stories.
Why "Just 0.001% would be enough." ?
Given the Billions that are moved at the financial markets every day BTC needs just a very tiny amount to get pushed in one way or another. The BTC markets are moved by single Millions at the moment.