Acquiring diagnostic, generic-drug companies and medical-device makers looks attractive. Pharma groups with more than half of their sales from such "non-pharmaceutical" areas trade at valuation premiums of about 15% to less diversified peers.
NVS and ABT (more so than JNJ) are the templates for such diversified pharma/healthcare companies.
Roche’s pursuit of ILMN is clearly consistent with the passage quoted above.
“The efficient-market hypothesis may be the foremost piece of B.S. ever promulgated in any area of human knowledge!”