| 1. | Tracking a stock buyback's effect on price is tough.
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| 2. | Therefore, it makes sense to initiate a stock buyback program,
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| 3. | Loews's share of the buybacks topped $ 800 million.
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| 4. | Stock buybacks have also pulled equity out of the stock market.
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| 5. | Investors like buybacks because they put a floor under stock prices.
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| 6. | The firm increased its stock buyback program by $ 400 million.
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| 7. | Too bad buybacks do little if anything to affect share price.
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| 8. | The buyback in the long term does no good at all.
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| 9. | IBM's performance after announcing its buyback is fairly typical.
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| 10. | IBM says the impact of its buyback is hard to find.
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