• Charlie Munger, Warren Buffett's right-hand man at Berkshire Hathaway, died on Tuesday at age 99.

• Personalities across business and finance industries were quick to share their condolences.

• After Munger's death, social media posts highlighted his advice and investing tips.

Following finance titan Charlie Munger's death on Tuesday at 99, friends and followers of the Berkshire Hathaway vice chairman quickly shared their condolences and warm memories of him in memorial posts online.

"So sad to hear the news of the passing of #CharlieMunger. My thoughts and prayers are with his family, his friends and colleagues at #BerkshireHathaway and, of course, his long-time business partner and friend @WarrenBuffett," Mohamed A. El-Erian, the former CEO of PIMCO, an investment management company, wrote in a post on X.

El-Erian added: "For so many decades, the two of them led an investment powerhouse that significantly improved so many people's lives ... and, in the process, they repeatedly showcased the prowess of collaboration, synergies, and common sense. May you RIP, Charlie."

Users shared their key takeaways from Munger's career in finance, praising the practical life advice he offered. One widely spread video clip featured Munger advising ambitious investors to "spend less than you earn, and invest shrewdly, and avoid toxic people and toxic activities."

Munger's relationship tips also circulated in the wake of his death, highlighting his 54-year marriage to Nancy Barry, which lasted until she died in 2010.

"Charlie Munger once offered what I consider to be the best life advice one can receive: 'How to find a good spouse? The best single way is to deserve a good spouse...To get what you want, you have to deserve what you want,'" investor Sahil Bloom wrote. "RIP to a legend whose wisdom will echo for eternity."