Update: Market Prophit Eyes Expanded ‘Social' Indexes
First index could pave the way for a range of industry, segment or style indexes based on social media data.
The index─which is being calculated by S&P Dow Jones Indices using its corporate actions data and distributed by Bloomberg over its Professional terminal network─uses chatter on Twitter to pick the index components each quarter, selecting the 25 most mentioned companies, using S&P DJI's corporate actions information such as outstanding shares and stock splits to determine how each stock should be weighted within the index, and rebalancing those weights daily based on changes in sentiment around
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