The technology giant is in a 20% drawdown.Earnings season is about to get into full swing. Alphabet (GOOG -1.92%) will lead the charge when it reports on April 24 after markets close. The technology conglomerate that owns Google, YouTube, and Android is one of the largest companies in the world by market capitalization, valued at $1.95 trillion as of this writing.Its most important subsidiary, Google Search, looked bulletproof for years, with a true monopoly in search engines. That has changed with the rise ...