Several companies increased their dividends in the past week, signaling that their businesses are still strong and growing. A couple of names even increased their dividends by 40% or more.

Stockpickr has reviewed the entire list of dividend-raisers and narrowed down the list to the stocks with the greatest dividend increases in the Top Dividend Increases for the Week portfolio.

One of the names on this week's list is DuPont ( DD). The biotech and electronics conglomerate increased its quarterly dividend by 11% to 41 cents a share. It has paid 413 consecutive quarterly dividends since 1904. The company, which recently announced a nanotechnology alliance with Morph Technologies, Integran Technologies and PowerMetal Technologies, offers a price-to-earnings (P/E) ratio of 13, a P/E-to-growth (PEG) ratio of 2 and a yield of 3.4%.

DuPont is part of the Cramer's AG Stock Picks portfolio, which contains the agriculture-related stocks that Jim Cramer likes. Other stocks in the portfolio include Bunge ( BG), a fertilizer company that pays a small yield of 0.6%, and Deere ( DE), a farm equipment company with a yield of 1.4%.

Another dividend-raiser is broadband cable TV company Shaw Communications ( SJR), which increased its equivalent annual dividend by 9%. These increases came in spite of the fact that the company reported a 55% drop in earnings for the latest quarter. The stock has a P/E of 25, a PEG of nearly 1 and a yield of 2.5%.

Shaw is listed in Cable TV Stocks, a Stockpickr portfolio that also includes Comcast ( CMCSA) and Viacom ( VIA.B), neither of which, however, pay a dividend.

Goodrich ( GR) boosted its dividend by 12.5% to 22.5 cents a share. The company just reported a 26% increase in earnings for the latest quarter, primarily due to the increase in sales in its defense division and in its aircraft equipment division. This was on a 14.8% increase in sales. Goodrich has a P/E of 21, a PEG of 1.2 and generates a yield of 1.3%.

Goodrich is owned by the Diversified Mid-Cap Value (DVMVX), a Morningstar-rated four-star fund that also owns shares of Questar ( STR), with a yield of 0.9%, and Textron ( TXT), which offers a yield of 1.4%.

To see the rest of this week's list, check out the Top Dividend Increases for the Week portfolio at Stockpickr.com.

As originally published, this story contained an error. Please see Corrections and Clarifications.

At the time of publication, Altucher and/or his fund had no positions in stocks mentioned, although positions may change at any time.

James Altucher is president of Stockpickr LLC, a wholly owned subsidiary of TheStreet.com and part of its network of Web properties, and a managing partner at Formula Capital, an alternative asset management firm that runs a fund of hedge funds. He is also a weekly columnist for The Financial Times and the author of Trade Like a Hedge Fund, Trade Like Warren Buffett and SuperCa$h. Under no circumstances does the information in this column represent a recommendation to buy or sell stocks. Altucher appreciates your feedback; click here to send him an email.

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