It’s been 107 years this month since the tragedy of the Titanic. Of course, this disaster has fascinated the world ever since, leading to books, movies, musicals and, ultimately, a successful search for the big ship’s remains. On the positive side, commercial shipping lines learned a great deal from the Titanic, resulting in safer travel across the oceans. And as an investor, you, too, may be able to draw some important lessons from what happened on that cold April night more than a century ago. So, to avoid some “titanic” investment mistakes, consider the following: Create a financial strategy with a solid ...