Need to control the narrative? Learn this rhetorical tool to transition to your main point and mitigate potential negatives. Apple CEO Tim Cook uses brilliant communication tactics and public speaking skills to demonstrate strong and decisive leadership.

Warren Buffett's Berkshire Hathaway, Inc. (BRK-A) (BRK-B) has recently trimmed its stake in Apple, Inc. (AAPL), but the tech giant has remained its most lucrative bet. At the end of the fourth quarter,

Apple CEO Tim Cook says people perform at their best when they feel their work serves a greater purpose "beyond just being excellent at something."