On 4 October 2018, Musk issued a sarcastic tweet, describing the SEC agency as the "Shortseller Enrichment Commission", despite having agreed to settlement terms a week earlier that his company, Tesla, would monitor his tweets and other communications.
Back in the United States, Kenin won another $60K title at the Berkeley Tennis Club Challenge. She reached the third round of the US Open for the second consecutive year, losing to Plíšková at the event for the second time. Kenin's best performance during the rest of the season came at the Tournoi de Québec, where she reached another semifinal. At her next tournament, she defeated world No. 10 Julia Görges at the Wuhan Open for her second top ten victory of the year. These results helped Kenin advance into the top 50 for the first time.
On October 23, 2018, Bryant's book The Mamba Mentality: How I Play, with photographs and afterword by Andrew D. Bernstein, an introduction by Phil Jackson, and a foreword by Pau Gasol, was published by MCD / Farrar, Straus, and Giroux. The book looks back on his career with photos and his reflections.
On October 25, 2018, The New York Times published the exposé, "How Google Protected Andy Rubin, the ‘Father of Android’". The company subsequently announced that "48 employees have been fired over the last two years" for sexual misconduct.
The Pittsburgh synagogue shooting was a mass shooting that took place on October 27, 2018, at the Tree of Life – Or L'Simcha Congregation in the Squirrel Hill neighborhood of Pittsburgh, Pennsylvania. The congregation was attacked during Shabbat morning services. The shooter killed eleven people and wounded seven (he was among the wounded). Robert Gregory Bowers, 46-years-old, was arrested at the scene and charged as the suspect with 63 federal crimes, some of which are capital crimes. He has pleaded not guilty. He separately faces 36 charges in Pennsylvania state court.