What are the top 10 biggest business mergers or acquisitions this year?

Here are the top 10 biggest business mergers or acquisitions in 2021:

1. National Veterinary Associates (NVA) acquired Sullivan Veterinary Services

2. Johnson & Johnson acquired Momenta Pharmaceuticals

3. S&P Global acquired IHS Markit

4. Salesforce acquired Slack Technologies

5. Teladoc Health acquired Livongo Health

6. Morgan Stanley acquired Eaton Vance

7. NVIDIA acquired Arm Limited

8. Aon and Willis Towers Watson announced a merger (still pending regulatory approval)

9. Microsoft acquired ZeniMax Media

10. Thermo Fisher Scientific acquired Qiagen

Please note that this information is up to date as of the time of writing, and there might have been further mergers or acquisitions that have taken place since then.