Instruct: Classify Amazon reviews into positive or negative sentiment
Query: A reality check for the long term investor

Malkiel provides convincing arguments for the efficient markets theory accessible to the economically illiterate and gives some useful tips on how to invest for the long term in a world in which securities move in a random walk.Even if you're already familiar with the theory of financial markets this book is still a worthwhile read because of the oftentimes satirical depiction of the very human reality behind the graphs and numbers.For a book about the world of investing it is therefore anything but dull. Stories about the tulip mania and the .com revolution make for amusing reading and his writing style is very entertaining.