CANADA STOCKS-TSX tumbles to near four-month low on U.S. data, Ebola fears

* TSX down 155.07 points, or 1.04 percent, at 14,805.44 * All of the 10 main index sectors decline * Market down in eight of last nine sessions By John Tilak TORONTO, Oct 1 (Reuters) - Canada's main stock index dropped on Wednesday to a near four-month low as worries about a slowdown in U.S. factory activity and news of the first confirmed case of Ebola in the United States fueled a broad selloff. The benchmark index has dropped in eight of its past nine sessions. Growth